Woodworking machine



Mann 10, 19252 .1,529,273 v y w. POTTER vWOQDWORKING MACHINE WilliamvPotter W. POTTER WOODWORKING MACHINE March l0, 1925 Filed March 14, 19253 Sheets-Sheet v2 I @nud-W101i 'William Poier 3513 his March l0. 1925-w. POTTER WOODWORKING MACHINE F'led March 14,1923 3 Sheets-Sheet 5 EE-LQga 4 31 57 5v 60 63 1 66' 55 5 57@ Z2 .62 ai" v 7 55 'I o l 57 PatentedMar. 10, 192.5.

UNITED STATES EATENT oFF'icE.

WoonWoEKING MAcHrnn. A

Applicatidniea March 14, 1923;"ser1a11r`d 624,881.

T 0 all ywhom z'l may concern Be it known that I, VILLIAM POTTER, acitizen 4of the United States, and residing at New York city, in thecounty of New York and State of New York, have vinvented certain new anduseful Improvementsv in foodworking Machines, of whichthe following is aspecification', such as will enable' those skilled in the art to whichit appertains to make and use the same. f

This invention relates to woodworking machines and particularly tomachines of this class designed for-the? purpose of reproducing in aworkpiecei a predetermined contour from a sample or model in thepro;duction of molding strips, finishing strips 4and various other kinds andclasses of woodwork, and also toa machine of this class designed toproduce dado work, Vand the object of the invention is to provide amachine of the class and for the purpose specified, which by reason ofits construction will produce the desired resultsl in the mosteff-ective, simple, accurate and efficient manner,

and with this and other objects in view, the

invention consists in a machine ofthe class specified which is simple inconstruction and operation,'and eliicient in use andwhich is.constructed and operated as-hereinafter described and claimed. Y.

The invention described f and claimed herein is an improvement on thatshown and described in a prior applicationl liled 'June 13, 1922, Ser.No. 567,942, and is fully disclosed in the following specification ofwhich the accompanying drawing forms a. part, in which the separateparts of -my iniprovement are designa-ted by suitablereferenceCharacters in each of the views, and in 'whichz-n i F ig. 1 is a frontmachine. l .l

Fig. 2 is a plan viewof vthe machine as shown in Fig. 1 withparts of theconstruction omitted. y. v 'l Fig is an Vend view'of the rmachine asshown in Fig. 2.'

Figa is a partial sectionon' the line 4-#4 of Fig. 2. 'Fig. 5 is apartial section on the line 5--5 of 4 and on an enlarged scale.

Figf6 is a detail view of a part of the construction shown in Fig. 1 andwith parts `broken away.

view:V of my' improved .FigaA is a plan .View of a part of the niachine,showing the means for supporting the sample or model to be reproduced.Fig. 8 is a partial section on the line 8 8 of Fig. 2. f I. f.

Fig. 9 is -aV transverse sectional view through a part of the machine.

Fig'. 10 is a diagrammatic view of a part of the construction'shown inFig. 9 of the drawing. Y i

Fig. 11v isapartial section Von thev line .11-11 of Fig. 9; and

bottom table members 15 and 16 joined tothe side members 14 Vbylongitudinalrods 17 as clearly shown in Figs. 1, 3 and 9 oftheV drawing,and the lower ends of the side memberslt are preferably .braced by otherthe drawing.

' The top table lmember in the construction shown is composed of threeforwardly and backwardly directed units 151,' and one of lthese units islocated centrally of the frame and the othertwoat'the opposite sides vofthe frame. The table memberV 16 is similar- 'ly formed and viscomposedof separate units` 16a spaced in `the manner ofthe units 15a.

Mounted upon the vbottom table member A16 or the separa-teunits-thereof-i-s a forwardly and backwardly movable slide plate' 19which has a tongue-and groove connecv tion withthe table member ortheseparate units thereofaasshown at 2O in Fig. 1 of Y.the drawing.Substantially centrally of said plate is a standard 21 which isconnected withrthe bottom: of another forwardly and backwardly movableslide plate 22 mounted vupon'V the ktop table member-15 or the sepaliliin threaded engagement therewith, said shaft having a bearing at 25atthel back of the frame of the machine, said bearing being to raise theplane 58 and the parts in connection with which said plane is mounted inthe backward movement of the plane over a work-piece as hereinafter setforth.4 i

The slide plate 22 which is movable upon the top table member '15 ispreferably provided with a wood facing`59 which is cut out at intervalsto form three apertures 60 Vas clearly shown inFig. 2 of the drawing,vsaid apertures forming four forwardly and backwardly directed members61. Pivoted to the opposite sides of three-of the members 61 as shown at62 are forwardly directed ngers 63, the free ends of which'are pointedas shown `at 64 to engage-the inner edge of a suitable workpiece 65'placed on the top of the slide 22, said workpiece being shown in fulllines in Fig. 4 of the drawing, Yokeshaped members 66 are pivoted to theseparate pairs of lingers 63 at the'opposite sides of the members 61 andextend beneath said members as clearly shown in Fig. ofthe drawing, andbolts or screws 67 are passed through the crossheads of said yokes, and

suitable lock nuts 68 are vmounted on the bolts or screws for retainingthe yokes in predetermined positions of adjustment. Normally the fingers68 or the separate pairs thereof are in a depressed and inoperativeposition and theyv may be raised into the position shownin'Figs. 4 and 5by properly all adjusting ent.

The slide 22 is provided with projecting plates 69 located at the frontportionof the apertures 60 and these plates form a straight edge againstwhich lthe workpiece may be placed as shown in Fig. 4 of the drawing,that is to say, a workpiece which extends longitudinally of the 'frontportion of the machine or a workpiece which isto be fashioned tovreproduce a molding or Vother strip, as is illustrated in Fig. 9 of thedrawing.

I also mount and cou'ntersink in the wood facing 59 of the slide 22 atthe fronto'f the the lock nuts 68, as will beapparvmachine a pluralityof spaced clamp rods 70. the outer ends of which are hook-shaped informand pointed as shownat7l to engage the inner edge of a workpiecel andthe inner ends thereof are provided with winged nuts 72, which serve tomove the' hooked ends thereof into operative land inoperative positionsand it will be apparent that the hooked ends of said rods are free tomove through apertures 73 in the facing59.

In the use of ,my improved machiney in dado work, I preferably provideone end of 4the slide 22 with an upstanding square edgev 74 shown inFigs. 1, 2 and 3 of the drawing, vagainst which a suitablev workpiece75indicated in dot and dash lines inFigs. 2and 3 may be placed, and inholding said workpiece in position I employ a bar 76 indicated in fulland dotted lines in' Fig. 2 of the drawing, and shown in full lines inFig.

3 of the drawing, said rodbeing pivoted as shown at 77 to an arm 78pivoted to thev slide 22 as indicated at 79. Another similar arm 80 ispivoted to the slide 22 as shown: at 81 and mounted in connection withthe free end thereof is a vertical shaft-82 on which is mounted a coilspring 83 andthe upper gend lof the shaft 82 is threaded to receiveanadjusting nut 84. The free end -of the bar 76 is cut out to engage theshaft. 82 beneath the nut 84 and the bar 6 servesto hold the workpiece'`75 firmly in Vposition upon the slide 22 in the operation of cuttinggrooves transversel of said workpieceasn indicated at75EL in ig. 3 .ofthe drawingfin what is known as dado work. 85 may1 be mounted on the bar76 and adjustable thereon to bear upon or to operate upon the top faceofthe workpiece and-two lof `these sleeves or bushings are indicatedin-full and dotted lines in Fig. 2 ofthe drawing. f f

`The operation of my improved machine will be readilyunderstood from the:foregoing description when taken in connection with the `accompanyingdrawings IandQfollowing statement. When usin the machine Sleeves korbushings Y for reproducing moldings anc other wood l strips of` apredetermined.contour, the .patterns or models of the strip to bereproduced are first placed in the holders 37 and adjusted'toproper:positions therein and secured in such positions by. the movablejaw' members 39. after which aworkpiecesuch as 65 is mounted'uponfthefront endrportion-of the slide 22 and extends longitudinally of theframe, said workpiece being heldin position by the fingers .63 androdsf70 as will be apparent. The fingers 43 in vthe heads 42 are thenplaced uponthehighest points of the patterns or molds, the'planeadapteror mounting is placed on the bar "52 anda 'suitable plane mountedin connection therewith,

and said 'plane by'meansoffthe screws 46v is adapter 54 forwardly `andbackwardlyiover the bar 52 and in each forward'and backward movement,the shaft 24 is rotated1 by hand one or more times, which operation willmove the slides 19 and 22 forwardlycr b'ackwardly a slight extent. vTheabove operation is repeated,and as the work proceeds the workpiece willbe graduallyicu't and fashioned to correspond to the contour of yfthe;V'patternsior; models (supported fon-:the

Vfllf'drfop,fthearms *.48I with Ithe. vp'lane "are Correspendinglydropped. In the above baekwardfand'forward-sliding* movement ofgtheplane Vfthe shoes l"5711; will oper-atesto` per- Init r the fplaneor' the 'eutting'tool theneoil to Comew'in-'contact lwith the-"workpieceliin "the meetfionjwitlr lWhioh lthefzplaneis" molinted I'as,lilflnstfatedl Iso that the e'uttingf tool yof thejv plane fis 'fmoved'ent'-Y of engagement i Y ilientof sadr'plane, thus-saving the edge .fof

' -sBylreasonfoiitl-ieftlypeofthread employed on-"they-shafty 24,"whieliwould die Ve-Ifyfine, the movement impartedvtothe.V slid'eS,: a perfectreproduction of patterns orfmodels `vmay lloe liep-rod uced5'A and' -a'siiioothf :and 'ffin- `isheid ysurfa ce- Willappear on Kthe'Vworkpiece; ini raet,'f Iso smooth 'ithatit would 1esemble- =aYsand'papered= Vlor otherwise finelyi -inished l'Wood zproduetfofthis?'elass. Y Itfwll' #he -uni `derstood liii-fthe irstiffewoperationsnof'the f plane 4the 5 Werkpieee -Will -f beV fronghed' f out,

ibut! in' "the last efefw estrzokesfftihe Kfinished v product Willi-'beproduced. 1 Theniits' 46@ may ex-tentfn prdu-cingftheflinishedcut.

Y f gednponthe adapter g andV xthe machine' *will ehe-seit 15o-'eutampreideteimineddepthfof 87? and the I'prop enf-adj ust-ments will Vhe"mad `e to ent aplredetermined l depth.- of groove, thefiliggers;43controllingthis operation. ,Y Y Ehef-shaftfi willqalsolie-rotated; thisffinstanee' to propolftonately :spacet the;g.100veslongitudinally of Vthe workpiece-as A'indicated\div-agrammatically` in Fig. 3 of-fthe drawing.,

' 'mayEhe,:pivotallymmomited VVin veloniieeti'on with either'4 one oi"y'the aperturesjilin' fthe farms 451,- and thel screws-146l)correspondingly ,l

adjusted the-apertures@of the-arms v4 8 to Vary' the felativemovement ofthefngers 4:3, and 'thefeutting too-lof #che plane, lont fin theoenstrution shown theco-up'ling oiithe gl-armsfiland 48 will operate: tomove the #fingers and :plane equally.

.maag-27,3 Y

- It Will-begunderstood thatmy iniventioni is "not-necessarily limitedtof-any specific use 'of the mahine`l` herein .shown and-described, noram I `necessarily"limited ',tofthe specific' eonstiotion--l1erein :setLontror aeoomlilishingfthedesred resnltsfandvaions changes in@an'd-modifications Vo-ffthe: eoiistreiion t -h eiieinl shown Vand-{-deseribed #may vbel Iliade Within, tlie--seopeof'V the-2 gpendedy'claims Withoht-departingAfromthes-spirit of my in- `venti'on orsacrificing its adiafntages, 1

Y 5 Having fully described my i invention,

Letters Patent, ish; Y. Y v l. A 'mach-ine. off-theiolassdeseribedYoomprisingi a 'j fiam'e, j means for,` ns-nfpportingV topand"bottom-slide'i plates in said lfname, mea-ns foi^w"\ .oouplling,said/plates ,'tofgetlier, ymeansY lnou-ntedv'in the ,mx'aohinefVforfmovi'ng said jthe machine, Asaid means comprising afsorew shaft,Ymeans for actuating s aid shaft. lmeans on one :of4 said' v-side platesfor Ysuppifi'fing fa suitable` pattei'n or `patterns,

' .means forsupportingav Wokpiecenithe other'of saidslideplatesg/amember, pivotaluly knfiuntedfin ,theffiame and Vprovided. vWith meansadapted Atoi'rzegistei with vthe pattein Orpatteins for oontiolling themovement of said .Inem`ber, said member n being' provided Withj.npwardlyidireoted extensions,

' antoolusiipporting and guidingfbai' @and means for adjustablysupporting?said'p'ihar oonneetionwith said extensions aIil `fl-0nIgitudinally of; and at? a predetermined distance abovetheWor'kpieeeesnppoiiting,v plate niemben "said l'hai' being movableltowaid and from the topzgplatemember.. A

4 1122A machine of :the 'class described;oom`V pagina a" frame.. meansi911 Seppefties iep and bottom, Slide pletesflnaseld ,frame ieans Y forveonpling saidplatesvtogetheigmeans mounted in` the wmachine :forlmoving'.said

led'v `in `the iframe and i Vwith;"means i adapted t0 registerWthhePetterllxerf1551i- -terns for controlling thefmovement of seidVfsaidjslideplates,- a membenpineta-ily"moiint- A f member, saidmemherbeing. provided with upwadiy directed entensions, "means fon adEvjiistaloly siiipporting a han insenection with, said extensions and{longitdinally .of and at; a predetermiiieddistanee` alo'ovev theWoldepieeefsuppoting plate". membef, `and a plane adapter .or mountingY1ndunted on Pand adapted izo-"moire longitiidinally'of saidk bali a 3.-Aniachine'of the elassfdesibed oomfor coupling said .plates l'togeth'elj means mounted in the machine for moving said slide platesforwardly and backwardly of themachine, said means comprising a screwshaft, means for actuating said shaft, means on one of said slide platesfor supporting a suit-f J sions and longitudinally of and at apredetermined distance above the workpiece-supporting plate member, anda plane adapter or mounting mounted on and adapted to movelongitudinally of said bar, and means 'for supporting a workpieceextending forwardly Aand backwardly 'of the machine.

4L. A machine of the'class described comprising a frame, means forsupporting top and bottom slide plates in said frame, means for couplingsaid plates together, means mounted in the machine for moving said slideplates forwardly and b-ackwardly of the machine, saidmeans comprising ascrew shaft, means for actuating said shaft, means on one of said slideplates for supporting a suitable pattern or patterns, means for sup--porting a workpiece on the other, of said slide plates, a memberpivotally mounted in the frame'and provided with means adapted toregister with the pattern or patterns for controlling the movement osaid member, said memberbeing provided with upwardly directedextensions, means for adjustably supporting a bar in connection withsaid extensions and longitudinally of4 and at a predetermined distanceabove theworkpiecesupporting plate member, a. plane adapter or mountingmounted on and adapted to move longitudinally of saidy bar, means Jforsupporting a workpiece extending forwardly and backwardly of themachine, and said means comprising a bar pivotally mounted in connectionwith the -workpiece-supporting v plate member and adapted to extendVlongitudinally thereof.

5. A machine of the class described comprising a trame, a unitcomprising topv and bottom plate members movably mounted in the frame,means involving a screw shaft for operating said unit, means on oneo'tsaid plate members for supporting a pattern or patterns, the other otsaid plate members being provided with means for supporting -a suitableworkpiece, members pivotally mounted on the Vframe and provided withmeans adapted to cooperate with a pattern or p-atterns supported on saidfirst4 named plat-e member, a tool supporting and guiding bar and meansadjustably supported on said members for 'supporting' said bar at apredetermined distance from Isaid last'nanied plate member, said barbeing movable toward andfrom the topplate member.

6. -A machine of the class described comprising aframe, a unitcomprising topand bottom plate members movably mounted in the trame,means involving a screw shaft for operatingsaid unit, means on one ofsaid plate membersfor supporting a pattern or patterns, theV other .ofsaid plate members being pro-vided with means for supportingv a suitableworkpiece, members pivotally mounted on the frame and provided withmeans adapted to 'cooperate with a pattern or patterns supported onsaidfirst namedv plate member, a too-l supporting' and guiding` bar andmeans supported by and adjustable relatively tosaid members forsupporting said Abar at apredetermined distance from said last namedplate member, said bar being movable Ato-ward and from the top platemember. Y 7 Y 7. A'machine ofthe class describedv com prising a frame, aunit comprisingtop and bottom plate members movably mounted in theframe, means involving-a screw shaft for operating said unit, means onone-ofA said plate members for supporting 'a pattern or patterns,theother of ysaid plate members being provided with means for support-ling a suitable workpiece, members pivotally mounted on the frame andprovided with means adapted'to cooperate with a .pattern or patternsysup-ported `on said iirstnamed plate member, means supported bylandadjustable relatively toysaid members for' sup-` porting a bar 'at apredetermined distance from said lastv named plate member, and.v meansmounted onvsaidl bar AandrinovableV longitudinally 'thereof forVsupporting a woodworking tool in Aconnection with said barr topermitjthe movement ofthe too-lsupf portedl` thereon longitudinally 'ofa workl piece supportedon said plate membenf Y v8. A machine of theclass describedcomprising 'a frame, a unit comprising top and bottomplate members movably mounted in the frame, means involving a screwshaft for operating said unit, means onone of said plate membersnfor`supporting a pattern or patterns,the other of said plate membersbeingcprovided with means for 'supporting a suitable workpiece, memberspivotally mounted on the trameand, provided with means adapted tocooperate with a pattern.' or patterns supported on said first namedplatemember, meansz supported by Yand ad; justable relatively` to saidmembers for sup-` porting-a bar at -a predetermined distance from saidlast namedplate member, means mounted onsaid bar and movablelongitudinally thereof for supporting a woodworking tool inconnectionwith said bar to? ermit the movement olf the tool supported t e'reonlongitudinally ofa workpiece supported on or patterns thereon, means forretaining a workpiece on the other of said plate members, patterntracing members pivotally mounted in the frame and cooperating withpatterns on one of said plate members, tool supporting members pivotallymounted in the frame and adapted to support a suitable woodworking toolover said top plate member, means for adjustably coupling both of saidpivoted members together, said tool supporting members involving anelongated element extending longitudinally of the machine and over saidtop plate member, and means movably mounted on said element forsupporting a plane and for permitting of the free movement of said planelongitudinally of the machine.

l5. A machine of the class described coinprisiiig a frame, top andbottom and connected plate members adjustably mounted in the frame, twopairs of arms pivotally mounted in the frame one pair above the otherand independent of each other, one pair of arms being movable towardandV from the bottom plate member and the vfree ends of which aredisposed tliereover and pattern tracing members mounted thereon andV theother pair of arms being movable toward and from the top plate memberand being disposed tliereover, and means for movably supporting awoodworking tool in connecttion therewith.

16. A machine of the class described comprising a frame, top and bottomand connected plate members adjustably mounted in the frame, two pairsof arms pivotally mounted in the frame one pair above the other andindependent of each other, one pair of armsbeing movable toward and fromthe bottom plate member and the free ends of which are disposedthereover and pattern bracing members mounted thereon and the other pairof arms being movable toward and from the top plate member and beingdisposed thereover, and means for movably support-ing a woodworking toolin connection therewith, and means for adjustably connecting ltheseparate pairs of arms.`

17. Ina machine of the class described a workpiece supporting member,means f or detachably supporting a workpiece thereon, an elongatedelement extending longitudinally over said member and being pivotallymounted in the machine to permit of its movement toward and from said'member, means for normally holding said element in a raised position,and means on said element and freely movable longitudinally thereof formovably supporting a woodworking tool on said element.

18. In a machine of the class described a workpiece supporting member,means for detachably supporting a workpiece thereon, an elongatedelement extending longitudinally over said member aiid'beingpivotallymounted in the machine to permit of itsmovement toward and fromy saidmember, means for normallyholding said element in a raised position,means on said element and freely movable longitudinally' thereof for FWiLLiAM POTTER. y

